• Who I am

    Motion Capture | Voiceover | Film

    Slovenian-born, American-accented, London-based.

    Actor working in voiceover, on screen for major feature films and TV series and in the volume as a mocap and performance capture actor. Working internationally on a wide array of animation projects and video games.


    Actor-combatant and SPACT performer certified by the British Academy of Dramatic Combat (BADC), British Academy for Stage and Screen Combat (BASSC) and Bare Arms - Firearms training.


    Represented by Audere Talent, The Mocap Agency and deVine Voices.


    Spotlight Profile

  • Acting Reels

    P-CAP and MOCAP REEL 2019 | Marta Svetek - Performance and Motion Capture Performer

    MOCAP | Cinematics Audition Monologue - The Driver

    ACTING REEL | Showreel scene 'Crystal' - Chris Stone Films

  • Voice Reels

    Voice description


    Marta has a characterful, warm, assured natural voice with a velvety quality. Natural international US accent but has a repertoire of regional US accents (California/SoCal, New York, Chicago) to Russian and Slovenian. Extensive repertoire of character voices too - reel coming soon!

    Video Game



  • Credits

    355 [Release date: 2021]

    Feature Film - CIA Operative (stunt team)

    355 is an upcoming spy film directed by Simon Kinberg and written by Theresa Rebeck. The film stars Jessica Chastain, Penélope Cruz, Fan Bingbing, Lupita Nyong'o, Diane Kruger, Sebastian Stan and Édgar Ramírez.


    Director: Simon Kinberg

    Avenue 5 - HBO

    TV Series - Bridge Crew Officer

    Avenue 5 is a science fiction comedy television series created by Armando Iannucci that premiered on HBO.


    Director: Armando Iannucci

    Total War: Warhammer II - Curse of the Vampire Coast DLC

    Video game - Aranessa Saltspite

    Voice of Norscan pirate queen Aranessa Saltspite.


    Developer: Creative Assembly
    Published by: SEGA

    LCL Freight Service - DHL

    Corporate video series - Voiceover

    Narration of a series of corporate explainer videos and commercials for DHL's new LCL Ocean Freight service.


    Director: CODA Post Production

    Cheap Tricks: Captain Marvel

    Visual effects tutorial, YouTube - Captain Marvel

    Captain Marvel themed episode for Red Giant's Cheap Tricks visual effects tutorial series on YouTube.


    Produced by: Daniel Hashimoto (Red Giant), Muki Kulhan (Muki International)

    Director: Luigi Capello, Reactor Films

    A Star Wars Short

    Combat short film - Sindai, Sith lord

    Short film focused around a lightsaber confrontation in the woods between a young jedi hunted by a sith lord.


    Director: Luigi Capello, Reactor Films
    Fight coordinator: Ronin Traynor

    Production: Red Giant

    360 Fight Club

    Fight performer, Producer

    Combatant and producer in a year-long project documenting taking fight choreography from traditional film media through 360 film and motion capture.


    Director: Rosie Collins

    Produced by: Muki Kulhan (Muki International), Tanya Laird (Digital Jam)

    Various animation projects - UoP Mocap

    Mocap performer

    Ongoing mocap performer for game and animation projects at the University of Portsmouth Creative Technologies department.


    Director: Various
    Executive producer: Alex Counsell

    Surrounded - Mocap Vaults Summit 2017

    Performance capture actor

    Role: Soldier in 2-man squad trying to escape a zombie horde.


    Director: Oliver Hollis-Leick, John Dower
    Produced by: The Mocap Vaults

    Live Specimen - Mocap Vaults Summit 2017

    Mocap performer

    Role: Captive zombie used for experiments.


    Director: Oliver Hollis-Leick, John Dower

    HSBC Digital Project

    Global Campaign - Feature Online Presenter and Animation Voiceover

    Lead presenter and voice of the global HSBC Digital Project campaign aimed at educating staff globally.


    Director: Elliott Dalrymple

    Produced by: Freeformers

    The Generation of Z: Apocalypse

    Immersive Theater - Scare Actor (speaking role/stunt role)

    Scare actor as one of the featured zombies in the experience. Involved extensive vocal work and combat stunt work.


    Director: Benjamin Farry and David van Horn

  • Skills

    Physical skills

    Stage combat - unarmed

    Stage combat - sword and shield

    Stage combat - Japanese sword

    Stage combat - broadsword

    Stage combat - short staff

    Stage combat - rapier and dagger

    Firearms - live

    Firearms - stage and screen

    Horseback riding (advanced)

    Skiing (advanced)

    Weight lifting


    Soft skills

    EU Driver's license (left-hand drive)


    Internet memes and internet culture

    Commercial/business presenting



    Office work


  • Training

    Ivana Chubbuck Acting Studio

    Ongoing acting training and scene study

    Ongoing acting training at the prestigious Ivana Chubbuck studio in Los Angeles and internationally.

    British Academy of Stage And Screen Combat

    Sword and Shield - Pass with Distinction

    Intensive certification course for stage combat with sword and shield.

    British Academy of Dramatic Combat

    Standard - Unarmed, single sword, rapier and dagger

    Certificate in BADC Standard level.

    Combat Lab [Ongoing]

    Weekly combat training course

    Weekly mixed ability 3 hour training course on dramatic combat focusing on a specific weapon, scene or technique. Ongoing training.

    Theatrical Firearms Course Level 2

    Bare Arms

    Military training in firearms, drills and tactics with British Army veterans Ben Simmons and Alastair Paton.

    Meisner - Foundation Course

    The Actors Temple

    Core Meisner technique training.

    The Mocap Summit 2017

    The Mocap Vaults

    2 day intensive training and filming in full performance capture at Centroid Studios, UK.

    Full curriculum of courses offered

    The Mocap Vaults


    Training on Locomotion, Cinematics, Creature Work, Action and Combat.

    Acting for Screen Classes

    Robyn Paterson - Private tutor

    Training in acting and audition techniques for screen roles, based on the Meisner technique.

  • Press


    @Martholio is back along with the team at @dna_vr to talk about shifting into the #VR and immersive tech industries. From stepping out of economics and business studies to opening a #VRArcade, the @dna_vr team share their learning’s whilst @Martholio tells us how to legally play with swords and beat people up as a stage combat performer and #mocap specialist.

    The Washington Post

    @Martholio is back along with the team at @dna_vr to talk about shifting into the #VR and immersive tech industries. From stepping out of economics and business studies to opening a #VRArcade, the @dna_vr team share their learning’s whilst @Martholio tells us how to legally play with swords and beat people up as a stage combat performer and #mocap specialist.

    British Forces Broadcasting Service

    TV interview on taking part in firearms training for actors.

    Lorraine Ansell, The Buzz Magazine

    Feature in the Winter Edition of the Voiceover Network's Buzz Magazine.

  • Talk to Me

    (I also do Marketing. Click to find out more!)